micro/api/server/acme/autocert/autocert.go
Asim Aslam 563768b58a
v3 refactor (#1868)
* Move to v3

Co-authored-by: Ben Toogood <bentoogood@gmail.com>
2020-07-27 13:22:00 +01:00

47 lines
1.2 KiB
Go

// Package autocert is the ACME provider from golang.org/x/crypto/acme/autocert
// This provider does not take any config.
package autocert
import (
"crypto/tls"
"net"
"os"
"github.com/micro/go-micro/v3/api/server/acme"
"github.com/micro/go-micro/v3/logger"
"golang.org/x/crypto/acme/autocert"
)
// autoCertACME is the ACME provider from golang.org/x/crypto/acme/autocert
type autocertProvider struct{}
// Listen implements acme.Provider
func (a *autocertProvider) Listen(hosts ...string) (net.Listener, error) {
return autocert.NewListener(hosts...), nil
}
// TLSConfig returns a new tls config
func (a *autocertProvider) TLSConfig(hosts ...string) (*tls.Config, error) {
// create a new manager
m := &autocert.Manager{
Prompt: autocert.AcceptTOS,
}
if len(hosts) > 0 {
m.HostPolicy = autocert.HostWhitelist(hosts...)
}
dir := cacheDir()
if err := os.MkdirAll(dir, 0700); err != nil {
if logger.V(logger.InfoLevel, logger.DefaultLogger) {
logger.Infof("warning: autocert not using a cache: %v", err)
}
} else {
m.Cache = autocert.DirCache(dir)
}
return m.TLSConfig(), nil
}
// New returns an autocert acme.Provider
func NewProvider() acme.Provider {
return &autocertProvider{}
}